1per3 tambah 27per25 dibagi 9per5

1/3 + 27/25 : 9/5 (kerjakan yg pembagian dulu)

Jadi,
1/3 + (27/25 : 9/5) = 1/3 + (27/25x5/9)
= 1/3 + 3/5
= 5/15 +9/15
= 14/15